<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script>
			var ar=new Array(5);
			 
			ar[0]="张磊";
			ar[1]="吴琼";
			ar[20]="夏晓芳";//???
			ar.unshift("朱峰");
		 
			ar["clsname"]="koolwe tech";
			ar["num"]=29;
			ar["ceo"]="孔梅";//属性
			for(var i in ar){
				document.write(i+":"+ar[i]+"<br/>");
			}
			
		</script>
	</head>
	<body>
	</body>
</html>
